--- /dev/null
+// Copyright (C) 2017-20xx CEA/DEN, EDF R&D
+
+// File: PlaneGCSSolver_FeatureBuilder.h
+// Created: 10 Feb 2017
+// Author: Artem ZHIDKOV
+
+#ifndef PlaneGCSSolver_FeatureBuilder_H_
+#define PlaneGCSSolver_FeatureBuilder_H_
+
+#include <PlaneGCSSolver_AttributeBuilder.h>
+
+typedef std::map<AttributePtr, EntityWrapperPtr> AttributeEntityMap;
+
+/** \class PlaneGCSSolver_FeatureBuilder
+ * \ingroup Plugins
+ * \brief Converts SketchPlugin_Feature to the entity applicable for PlaneGCS solver
+ */
+class PlaneGCSSolver_FeatureBuilder : public PlaneGCSSolver_AttributeBuilder
+{
+public:
+ PlaneGCSSolver_FeatureBuilder(PlaneGCSSolver_Storage* theStorage = 0);
+ PlaneGCSSolver_FeatureBuilder(const StoragePtr& theStorage);
+
+ /// \brief Converts an attribute to the solver's entity and stores it for further processing.
+ /// Double attributes and 2D points are supported only.
+ /// \param theAttribute [in] attribute to create
+ /// \return Created wrapper of the attribute applicable for specific solver
+ virtual EntityWrapperPtr createAttribute(AttributePtr theAttribute) override;
+
+ /// \brief Converts SketchPlugin's feature to the solver's entity.
+ /// Result if based on the list of already converted attributes.
+ /// \param theFeature [in] feature to create
+ virtual EntityWrapperPtr createFeature(FeaturePtr theFeature) override;
+
+ /// \brief Return list of constraints necessary to fix feature's extra DoF
+ virtual const std::list<GCSConstraintPtr>& constraints() const override
+ { return myFeatureConstraints; }
+
+private:
+ /// list of converted attributes (will be cleared when the feature is created)
+ AttributeEntityMap myAttributes;
+
+ /// constraints for the feature
+ /// (primarily used for constrain arcs, which have 9 parameters but 5 DoF)
+ std::list<GCSConstraintPtr> myFeatureConstraints;
+};
+
+#endif
